Screw and Wheel

| View Cart ⇗ | Info

“It is apparent by turning the crank, C, the wheel will revolve, for the thread of the screw passes between the cogs of the wheel. By means of an axle, through the centre of this wheel, like the common wheel and axle, this becomes an axceedingly powerful machine, slow.” -Comstock 1850


wheel, crank, axle, cogs, screwn




J. L. Comstock A System of Natural Philosophy: Principles of Mechanics (: Pratt, Woodford, and Company, 1850) 98


TIFF (full resolution)

2462×2400, 984.0 KiB

Large GIF

1024×998, 165.2 KiB

Medium GIF

640×623, 84.7 KiB

Small GIF

320×311, 32.3 KiB